Aluminum Carburetor Dust Cover (5 1/8" Neck) Speedmaster flexplates are the best

Speedmaster flexplates are the best on the market

Paper Air Cleaners & Kits also available

Whether you're overhauling an engine or looking to upgrade your vehicle's performance

don't blow it with a standard air cleaner

ensuring that your injectors never run dry

Aluminum Carburetor Dust Cover (5 1/8" Neck) Speedmaster flexplates are the bestKeep dirt and foreign objects out of your carburetor during storage, transportation, and down time at the racetrack with one of these carburetor caps from PCE. They fit carburetors with 5 1 8 in. necks and are available in two versions a durable plastic model and a thick aluminum model that won't bend after multiple uses.